The Probability Tree is used by clinicians to solve complex diagnostic challenges. Such diagnostic dilemmas are typically complicated by the lack of clarity/focus during clinical investigation. The ap...
The receiver operating characteristic (ROC) curve is a measure of diagnostic efficiency, which is obtained by graphically plotting a series of true positive rates (sensitivity) against false positive ...
Post-test probability: is the probability of the presence of a disease after a confirmatory diagnostic test. Method I: Let us estimate post-test probability by hand calculation using the data from th...
Let us continue using the data from the study by Capra et al (1). The likelihood ratio is the percentage of diseased individuals with a given test result divided by the percentage of healthy individua...